================================== Top new questions this week: ================================== [How to plot contours in the faces of a cube]\url{http://mathematica.stackexchange.com/questions/38656/how-to-plot- contours-in-the-faces-of-a-cube} I'm trying to plot contours of a function f[x,y,z] on the faces of a cube as the example below, which represents the domain of this function. Is there a way to do it in Mathematica? The ... - asked by RaphaelDavid (25 votes), answered by belisarius (10 votes) ---------------------------- [Creating new graphics primitive (EdgeForm, FaceForm)]\url{http://mathematica.stackexchange.com/questions/38753/creatin g-new-graphics-primitive-edgeform-faceform} My question is strongly related to this question, nevertheless I would like to bring it to every ones attention. Lets say I want to create a new graphics primitive Boing which should look like this ... - asked by halirutan (23 votes), answered by Simon Woods (18 votes) ---------------------------- [Graphics elements do not line up perfectly in exported PDFs]\url{http://mathematica.stackexchange.com/questions/38745/graphics-ele ments-do-not-line-up-perfectly-in-exported-pdfs} Graphics elements do not always line up perfectly in exported PDFs. Take for example Graphics[{Point[{0, 1}], Line[{{0, 0}, {0, 1}}]}, AspectRatio -> Automatic] It looks like this on screen: ... - asked by Szabolcs (15 votes), answered by Szabolcs (13 votes) ---------------------------- [Drawing an arrow pointing at the "Enable Dynamics" button]\url{http://mathematica.stackexchange.com/questions/38692/drawing-an -arrow-pointing-at-the-enable-dynamics-button} Sometimes my students are given Mathematica notebooks as part of an assignment, and asked to go through some demonstrations contained in the .nb file. A lot of times I get complaints that the "graphs ... - asked by Steve D (11 votes), answered by Alexei Boulbitch (9 votes) ---------------------------- [ReplaceRepeated seemingly omits some rules]\url{http://mathematica.stackexchange.com/questions/38668/replacerepe ated-seemingly-omits-some-rules} Is there a simple way in Mathematica to prevent rule reordering? Let me give an example: a -> b //. {b -> c, (x_ -> y_) -> (x -> Expand[y])} (* a -> b *) though a -> b /. {b ... - asked by jondaman21 (10 votes), answered by Mr.Wizard (6 votes) ---------------------------- [Formatting Excel Borders with .Net]\url{http://mathematica.stackexchange.com/questions/38891/formatting-e xcel-borders-with-net} I have various tables generated in a Mathematica application and need to export this to MSExcel formatted in a specific way. The Excel formatting has to be generated by Mathematica. I am not ... - asked by BlueMac (9 votes), answered by WReach (11 votes) ---------------------------- [Problem with numerical evaluation of analytically solved integral, solution way off]\url{http://mathematica.stackexchange.com/questions/38734/problem-with- numerical-evaluation-of-analytically-solved-integral-solution-way} The following command in Version 9.0.1: N[Integrate[x^50*Sin[x], {x, 0, 1}]] gives $1.4615\times 10^{48}$ which is way off from the correct solution which is between $0$ and $0.5$. Interestingly ... - asked by vonjd (9 votes), answered by Szabolcs (12 votes) ================================== Greatest hits from previous weeks: ================================== [ShowLegend values]\url{http://mathematica.stackexchange.com/questions/6236/showlegend- values} How do I get ShowLegend to put the max and min values that a plot produces. for example, when using ListDensityPlot, with PlotRange->Automatic, the plot can sometimes clip. How do I get ... - asked by Andrew Spott (23 votes), answered by Jens (30 votes) ---------------------------- [Get a "step by step" evaluation in Mathematica]\url{http://mathematica.stackexchange.com/questions/148/get-a-s tep-by-step-evaluation-in-mathematica} Is it possible in Mathematica to get a step-by-step evaluation of some functions; that's to say, outputting not only the result but all the stages that have led to it? Example : Let's say I want to ... - asked by Skydreamer (43 votes), answered by J.M. (38 votes) ================================== Can you answer these? ================================== [What are the limits of the Prime-functions?]\url{http://mathematica.stackexchange.com/questions/38819/ what-are-the-limits-of-the-prime-functions} Will Prime and PrimePi test up to 3 * 10^12? Where can I find the limits for these funtions? Also, what are the limits for PrimeOmega and PrimeNu? More generally, is there any documentation that gives ... - asked by martin (2 votes) ---------------------------- [Efficient storage of Kronecker sum of circulant matrices+diagonal matrix]\url{http://mathematica.stackexchange.com/questions/38901/efficient- storage-of-kronecker-sum-of-circulant-matricesdiagonal-matrix} I have a square matrix of the form $$M=D+\overset{N}{\underset{n=1}\bigoplus}R_n,$$ where $R_n$ are circulant matrices, $D$ is a diagonal matrix and $\oplus$ is Kronecker sum. Its size is quite big, ... - asked by Ruslan (2 votes) ---------------------------- [What is available for editing Mathematica source code with Emacs?]\url{http://mathematica.stackexchange.com/questions/38838/what-is-av ailable-for-editing-mathematica-source-code-with-emacs} I can find several Emacs libraries for Mathematica, but I'm not aware of a clear favourite, a definitive list, or of a library which is actively maintained and developed. None of these appear to be in ... - asked by Ian Hinder (6 votes)